| Author | Rai, Purna Bdr |
| Call Number | AIT Thesis no.ET-10-20 |
| Subject(s) | Flexible AC transmission systems--Bhutan
|
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Energy |
| Publisher | Asian Institute of Technology |
| Abstract | The total transfer capability is a measure of electrical power that can be reliably transmitted from source area to sink area through the interconnected transmission networks while meeting all the system security constraints. The capability of interconnected transmission networks to transfer the electrical power in a reliable manner is usually limited by voltage limit, thermal limit and stability limit. The least cost transmission expansion planning is constrained by social impact, environmental protection, and the right of way difficulty. The generation's pattern due to heavy line flows tends to incur greater losses that can threaten the system stability and security. Therefore, the Flexible AC Transmission System (FACTS) devices offer a versatile option to conventional support methods with potential advantages of increased flexibility of operation in the power system. The FACTS devices not only provide power transfer capability enhancement but also provide direct control of power flow to the chosen transmission path resulting in power loss reduction, stability improvement, reduction of operating cost and accomplishment of contractual obligations. The SVC, STATCOM, and TCSC devices are some of the commercially available FACTS devices. This thesis presents the formulation and general procedures of total transfer capability computation using SVC, STATCOM, and TCSC devices. The improvement of total transfer capability using SVC, STATCOM, and TCSC is studied on the IEEE 9-bus test system and Bhutan power 61-bus system. The voltage limit, thermal limit, and N-1 contingency cases are investigated using continuation power flow analysis. The results show that TCSC can significantly improve the total transfer capability in both voltage and thermal limit cases while SVC and STATCOM can improve the total transfer capability in only voltage limit case. Test results indicate that TCSC is more effective on total transfer capability improvement than SVC and STATCOM. |
| Year | 2010 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Energy Technology (ET) |
| Chairperson(s) | Weerakorn Ongsakul; |
| Examination Committee(s) | Marpaung, Charles O.P.;Singh, Jai Govind; |
| Scholarship Donor(s) | Asian Institute of Technology Fellowship; |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 2010 |